package com.servlet;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.dao.UserDao;
import com.daoimpl.UserDaoImpl;
import com.vo.User;

/**
 * Servlet implementation class FindUserServlet
 */
@WebServlet("/FindUserByIdServlet")
public class FindUserByIdServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public FindUserByIdServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("UTF-8");
		response.setHeader("content-type", "text/html; charset=UTF-8");
		
		int id = Integer.parseInt(request.getParameter("id"));
		UserDao dao = new UserDaoImpl();
		User userinfo = dao.findUserById(id);

		if(userinfo != null) {
			HttpSession session = request.getSession();
        	session.setAttribute("userinfo2", userinfo);
        	request.getRequestDispatcher("userinformation.jsp").forward(request, response);
		}else {
			response.getWriter().print("该用户不存在！");
			response.setHeader("refresh","0.5; URL=manager.jsp");
		}
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}
}
